Related Clues:

• No seats sign, briefly
• Sign for a Broadway hit
• Jam in elbow to elbow
• Hit notice?
• Hit sign?
• Good sign on B'way
• Sign at packed theaters
• Marquee letters
• Box off. sign
• Sign of a packed house
• Full-house sign: Abbr.
• Sign of stage success?
• Good sign for Broadway producers
• Smash letters?
• Hit indicator